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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2012-05-31 to 2012-07-10
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Version / remarks:
30 May 2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Version / remarks:
adopted 23 March 2006
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
dynamic method
Temp.:
20 °C
Vapour pressure:
2 200 Pa
Temp.:
25 °C
Vapour pressure:
3 000 Pa
Temp.:
50 °C
Vapour pressure:
11 000 Pa
Transition / decomposition:
no

A DCS measurement in a closed glass crucible showed small exothermal effects in the temperature range of 175 -195°C, and endothermic effects in the range of 40 -95°C and 95 -120°C with an onset of app. 106°C (most likely boiling).

The vapour pressure was determined in a temperature range of 31 – 103°C and extrapolated to 20, 25 and 50°C.

Temperature [°C]

Vapour pressure [hPa]

30.8

41.5

35.6

55.2

41.8

79.0

47.7

100.0

56.2

149.5

62.6

199.0

70.3

274.0

75.9

350.2

86.0

500.1

95.7

701.5

103.3  900.3 
91.4   603.6
81.1  417.6 
66.3  231.0 
52.5  124.7 
Conclusions:
The vapour pressure of TFMEA is reported to be 2200 Pa at 20°C, 3000 Pa at 25°C and 11000 Pa at 50°C.
Executive summary:

The vapour pressure of TFMEA was determined according to OECD guideline 104, adopted 23 March 2006 and EU method A.4, May 2008. The vapour pressure was 2200 Pa at 20°C, 3000 Pa at 25°C and 11000 Pa at 50°C.

Description of key information

The vapour pressure of TFMEA was 2200 Pa at 20°C (OECD guideline 104/EU method A.4). 

Key value for chemical safety assessment

Vapour pressure:
2 200 Pa
at the temperature of:
20 °C

Additional information

The vapour pressure of TFMEA was determined according to OECD guideline 104, adopted 23 March 2006 and EU method A.4, May 2008. The vapour pressure was2200 Pa at 20°C, 3000 Pa at 25°C and 11000 Pa at 50°C.